DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BOHOL 1ST ED Award a ₱8.8M contract to A. A. DE VERA CONSTRUCTIONNational agencies
Transaction hash:
1a4bf8c834e8a3cb2b799b91620278cf06c8f99f2f154dd694289a5a8d715884
Status:
Included and unchanged
Block:
#4,753 1,260 blocks after it
Position in block:
Transaction 273 of 2,654
Award day:
Mar 21, 2022 (4 yrs 7 mo ago)
Value:
₱8,780,000.00
Project:
22HA0007
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #4,753 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)DPWH lists the funding source as "Regular Infra - GAA 2022 CSSP", i.e. the FY2022 GAA. The exact UACS line is not given.Partly
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BOHOL 1ST ED awarded it to A. A. DE VERA CONSTRUCTION on 2022-03-21.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22HA0007: Completed, 100% physical progress.Found
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)DPWH marks the contract "Completed" (end 2022-08-01). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored 1a4bf8c834…715884now …
- 2. Block Merkle root changedstored 42b451b099…3ea519now …
- 3. Block #4753 hash changedstored 7a6785d5ab…fe9adanow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (12 steps)
How this one record is tied to the block's Merkle root, without needing the other 2,653 records. Each step hashes the current value together with the sibling shown.
- leaf 1a4bf8c834e8a3cb2b799b91620278cf06c8f99f2f154dd694289a5a8d715884
- 01 L 1a383143388f987a2148fca09b7d289e6f44bd237aed54161ea3e22a1eae687f
- 02 R 17ee101b4792c91beb5fc363912156a0034b9fdf5bc1368a84540cb0ab84ca45
- 03 R fb215a00128c59064a75f717bcbd01daf856ec5e691d511d53d5cd856456e685
- 04 R 240f86f4cc24191ef1fa214ca1cc0f43012e7591233f64a19844261a4d4e10a1
- 05 L 3cde59c961ca0ec42f3cdb6a457ff899547ae1f9733911ebf65c6e63a228c122
- 06 R cfc042dad0e7ff0839dee054d8883bd42510d17e311ecf22fabe301a90d79085
- 07 R fa5ccd6690bf7cb767bd311243d5f9bfc1deb6e6b8ef83963653b25814b6529d
- 08 R 75dd151d1ff1a9fc9da3a2df32b47a379a7e15ca1c49ff145db66ffe8d24cad4
- 09 L 87bc19862f4da5f9e3597a8104f71e3eb7c58302418898864ec0370d96aa0f19
- 10 R 81effd39209fc331ce30c78f7dab78b74d7ffca7db39731b6106f5acbdc7cc6d
- 11 R 4dfc1f834de752b1797582fdad84298fc6bb3d20b666e7bb5ea79aaa4d3bef39
- 12 R d55cd178496ea6f6fb3cafd38454a44011bc907d9df5674226db99e74eb4ca06
- root 42b451b09904c029f48036c90640703eddae9f73be9f88dd0cae400c353ea519